package com.hanamaki.operator;

/**
 * 算数运算符
 * +  -   *  /
 */
public class Demo01 {

    public static void main(String[] args) {

        // 二元运算
        int a = 10;
        int b = 20;

//        double d = b;


        System.out.println(a + b);
        System.out.println(a - b);
        System.out.println(a * b);
        System.out.println(a / (double) b);
    }


}
